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Moved "limitBodySize"

This commit is contained in:
Michael 2018-01-28 17:36:37 +00:00
parent bdbfffafea
commit 6871481a78
4 changed files with 91 additions and 89 deletions
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87
src/Content/Text/BBCode.php
View File

@ -549,4 +549,91 @@ class BBCode
$s = htmlspecialchars($s, ENT_NOQUOTES, 'UTF-8'); $s = htmlspecialchars($s, ENT_NOQUOTES, 'UTF-8');
return $s; return $s;
} }
/**
* The purpose of this function is to apply system message length limits to
* imported messages without including any embedded photos in the length
*
* @brief Truncates imported message body string length to max_import_size
* @param string $body
* @return string
*/
public static function limitBodySize($body)
{
$maxlen = get_max_import_size();
// If the length of the body, including the embedded images, is smaller
// than the maximum, then don't waste time looking for the images
if ($maxlen && (strlen($body) > $maxlen)) {
logger('the total body length exceeds the limit', LOGGER_DEBUG);
$orig_body = $body;
$new_body = '';
$textlen = 0;
$img_start = strpos($orig_body, '[img');
$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
$img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
while (($img_st_close !== false) && ($img_end !== false)) {
$img_st_close++; // make it point to AFTER the closing bracket
$img_end += $img_start;
$img_end += strlen('[/img]');
if (!strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
// This is an embedded image
if (($textlen + $img_start) > $maxlen) {
if ($textlen < $maxlen) {
logger('the limit happens before an embedded image', LOGGER_DEBUG);
$new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
$textlen = $maxlen;
}
} else {
$new_body = $new_body . substr($orig_body, 0, $img_start);
$textlen += $img_start;
}
$new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
} else {
if (($textlen + $img_end) > $maxlen) {
if ($textlen < $maxlen) {
logger('the limit happens before the end of a non-embedded image', LOGGER_DEBUG);
$new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
$textlen = $maxlen;
}
} else {
$new_body = $new_body . substr($orig_body, 0, $img_end);
$textlen += $img_end;
}
}
$orig_body = substr($orig_body, $img_end);
if ($orig_body === false) {
// in case the body ends on a closing image tag
$orig_body = '';
}
$img_start = strpos($orig_body, '[img');
$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
$img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
}
if (($textlen + strlen($orig_body)) > $maxlen) {
if ($textlen < $maxlen) {
logger('the limit happens after the end of the last image', LOGGER_DEBUG);
$new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
}
} else {
logger('the text size with embedded images extracted did not violate the limit', LOGGER_DEBUG);
$new_body = $new_body . $orig_body;
}
return $new_body;
} else {
return $body;
}
}
} }

87
src/Model/Item.php
View File

@ -1067,93 +1067,6 @@ class Item
} }
} }
/**
* The purpose of this function is to apply system message length limits to
* imported messages without including any embedded photos in the length
*
* @brief Truncates imported message body string length to max_import_size
* @param string $body
* @return string
*/
public static function limitBodySize($body)
{
$maxlen = get_max_import_size();
// If the length of the body, including the embedded images, is smaller
// than the maximum, then don't waste time looking for the images
if ($maxlen && (strlen($body) > $maxlen)) {
logger('the total body length exceeds the limit', LOGGER_DEBUG);
$orig_body = $body;
$new_body = '';
$textlen = 0;
$img_start = strpos($orig_body, '[img');
$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
$img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
while (($img_st_close !== false) && ($img_end !== false)) {
$img_st_close++; // make it point to AFTER the closing bracket
$img_end += $img_start;
$img_end += strlen('[/img]');
if (!strcmp(substr($orig_body, $img_start + $img_st_close, 5), 'data:')) {
// This is an embedded image
if (($textlen + $img_start) > $maxlen) {
if ($textlen < $maxlen) {
logger('the limit happens before an embedded image', LOGGER_DEBUG);
$new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
$textlen = $maxlen;
}
} else {
$new_body = $new_body . substr($orig_body, 0, $img_start);
$textlen += $img_start;
}
$new_body = $new_body . substr($orig_body, $img_start, $img_end - $img_start);
} else {
if (($textlen + $img_end) > $maxlen) {
if ($textlen < $maxlen) {
logger('the limit happens before the end of a non-embedded image', LOGGER_DEBUG);
$new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
$textlen = $maxlen;
}
} else {
$new_body = $new_body . substr($orig_body, 0, $img_end);
$textlen += $img_end;
}
}
$orig_body = substr($orig_body, $img_end);
if ($orig_body === false) {
// in case the body ends on a closing image tag
$orig_body = '';
}
$img_start = strpos($orig_body, '[img');
$img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
$img_end = ($img_start !== false ? strpos(substr($orig_body, $img_start), '[/img]') : false);
}
if (($textlen + strlen($orig_body)) > $maxlen) {
if ($textlen < $maxlen) {
logger('the limit happens after the end of the last image', LOGGER_DEBUG);
$new_body = $new_body . substr($orig_body, 0, $maxlen - $textlen);
}
} else {
logger('the text size with embedded images extracted did not violate the limit', LOGGER_DEBUG);
$new_body = $new_body . $orig_body;
}
return $new_body;
} else {
return $body;
}
}
private static function setHashtags(&$item) private static function setHashtags(&$item)
{ {

3
src/Protocol/DFRN.php
View File

@ -28,6 +28,7 @@ use Friendica\Protocol\OStatus;
use Friendica\Util\Crypto; use Friendica\Util\Crypto;
use Friendica\Util\Network; use Friendica\Util\Network;
use Friendica\Util\XML; use Friendica\Util\XML;
use Friendica\Content\Text\BBCode;
use dba; use dba;
use DOMDocument; use DOMDocument;
@ -2449,7 +2450,7 @@ class DFRN
// make sure nobody is trying to sneak some html tags by us // make sure nobody is trying to sneak some html tags by us
$item["body"] = notags(base64url_decode($item["body"])); $item["body"] = notags(base64url_decode($item["body"]));
$item["body"] = Item::limitBodySize($item["body"]); $item["body"] = BBCode::limitBodySize($item["body"]);
/// @todo Do we really need this check for HTML elements? (It was copied from the old function) /// @todo Do we really need this check for HTML elements? (It was copied from the old function)
if ((strpos($item['body'], '<') !== false) && (strpos($item['body'], '>') !== false)) { if ((strpos($item['body'], '<') !== false) && (strpos($item['body'], '>') !== false)) {

3
src/Worker/OnePoll.php
View File

@ -9,6 +9,7 @@ use Friendica\Core\PConfig;
use Friendica\Database\DBM; use Friendica\Database\DBM;
use Friendica\Model\Contact; use Friendica\Model\Contact;
use Friendica\Model\Item; use Friendica\Model\Item;
use Friendica\Content\Text\BBCode;
use Friendica\Protocol\Email; use Friendica\Protocol\Email;
use Friendica\Protocol\PortableContact; use Friendica\Protocol\PortableContact;
use Friendica\Util\Network; use Friendica\Util\Network;
@ -488,7 +489,7 @@ class OnePoll
continue; continue;
} }
$datarray['body'] = escape_tags($r['body']); $datarray['body'] = escape_tags($r['body']);
$datarray['body'] = Item::limitBodySize($datarray['body']); $datarray['body'] = BBCode::limitBodySize($datarray['body']);
logger("Mail: Importing ".$msg_uid." for ".$mailconf['user']); logger("Mail: Importing ".$msg_uid." for ".$mailconf['user']);